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Can babies have water?

Updated 2026-08-07 · Source: AAP + CDC · Free · No sign-up

Yes, from about 6 months, once your baby has started solids — served in the right form for their age.
Emergency? Call 911 now if your baby is choking and cannot cry or cough, is struggling to breathe, or has swelling of the face, lips or tongue, or widespread hives after eating. Do not wait to see whether it settles. This tool is a reference, not medical advice.

Water by age

AgeCan they have it?How to serve it
4 monthsWaitNot yet — see above.
6 monthsYes4 to 8 oz (about half a cup to one cup) a day, in an open, sippy or strawed cup — not a bottle. Healthy babies do not need extra water before this; breast milk or formula provides all the fluid they need.
9 monthsYes4 to 8 oz (about half a cup to one cup) a day, in an open, sippy or strawed cup — not a bottle. Healthy babies do not need extra water before this; breast milk or formula provides all the fluid they need.
12 monthsYes8 to 32 oz (1 to 4 cups) a day for ages 12–24 months.
18 monthsYes8 to 32 oz (1 to 4 cups) a day for ages 12–24 months.
2 yearsYes8 to 32 oz (1 to 4 cups) a day for ages 12–24 months.

Ages are the usual introduction age from the source, not a target. Readiness matters more than the calendar — and a baby who hasn't started solids isn't ready for any of these foods yet.

How to serve water to a baby

Cut food for infants and young children into pieces no larger than one-half inch. Cut cylindrical foods (hot dogs, sausage, string cheese) into short thin strips — round pieces can get stuck in the airway. Cut small spherical foods (grapes, cherries, berries, tomatoes) into small pieces. Cook hard vegetables and fruit until they mash easily. Remove seeds, hard pits, skin and bones.

Is water a choking hazard?

Water is not on the AAP or CDC choking-hazard lists. That is not the same as no risk: any food can choke a baby if the piece is too big or the wrong shape. Cut it to no larger than half an inch, keep your baby sitting up in a high chair, keep mealtimes calm, and watch them the whole time they are eating.

Allergies and water

Water is not one of the common allergens. Introduce it on its own anyway and wait 3 to 5 days before the next new food, so if your baby does react to something you know what it was.

Watch for diarrhea, rash, vomiting or hives after a new food. Call 911 for trouble breathing or swelling of the face, lips or tongue.

Worth knowing

Water and plain milk are the two drinks the AAP recommends for young children. If your water is fluoridated, drinking it also helps prevent tooth decay.

Gear that makes this meal easier

Nothing here changes the answer above. A soft-tipped spoon and a catch-all bib are the two things that actually get used at this stage.

Baby-led weaning utensils on Amazon ↗

Affiliate link — we may earn a commission at no cost to you. It never appears on a “not yet” answer, on an allergen, or on a choking hazard, and it never changes an answer.

Where this comes from

Reviewed 2026-08-07 · confidence: high. This source names water directly.

This page is general guidance from the AAP and CDC — not medical advice, and not a substitute for your pediatrician. General guidance from the AAP and CDC — not medical advice and not a substitute for your pediatrician. Every baby is different. Introduce one new food at a time and wait 3 to 5 days before the next one so you can spot a reaction. Some foods are choking hazards; learn infant CPR. Call 911 for trouble breathing, swelling of the face, lips or tongue, or a baby who cannot cry or cough.

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FAQ

Can babies have water?

Yes, from about 6 months, once your baby has started solids — served in the right form for their age. Water and plain milk are the two drinks the AAP recommends for young children. If your water is fluoridated, drinking it also helps prevent tooth decay.

How do I serve water to a baby?

From 6 months: 4 to 8 oz (about half a cup to one cup) a day, in an open, sippy or strawed cup — not a bottle. Healthy babies do not need extra water before this; breast milk or formula provides all the fluid they need. From 12 months: 8 to 32 oz (1 to 4 cups) a day for ages 12–24 months. Cut food for infants and young children into pieces no larger than one-half inch. Cut cylindrical foods (hot dogs, sausage, string cheese) into short thin strips — round pieces can get stuck in the airway. Cut small spherical foods (grapes, cherries, berries, tomatoes) into small pieces. Cook hard vegetables and fruit until they mash easily. Remove seeds, hard pits, skin and bones.

Is water a choking hazard for babies?

Water is not on the AAP or CDC choking-hazard lists, but any food can choke a baby if the piece is too big. Cut it to no larger than half an inch, keep your baby sitting up while they eat, and watch them the whole time.

What should I watch for after giving my baby a new food?

Watch for diarrhea, rash, vomiting or hives after a new food. Call 911 for trouble breathing or swelling of the face, lips or tongue. Offer one single-ingredient new food at a time and wait 3 to 5 days before the next one, so a reaction is easy to trace. Call 911 for trouble breathing or swelling of the face, lips or tongue.

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